61562055215200 has 144 divisors (see below), whose sum is σ = 159160791588624. Its totient is φ = 23171652403200.

The previous prime is 61562055215159. The next prime is 61562055215207. The reversal of 61562055215200 is 251255026516.

It is a super-2 number, since 2×61562055215200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61562055215207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67697932 + ... + 68601268.

It is an arithmetic number, because the mean of its divisors is an integer number (1105283274921).

Almost surely, 2^{61562055215200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61562055215200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79580395794312).

61562055215200 is an abundant number, since it is smaller than the sum of its proper divisors (97598736373424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61562055215200 is a wasteful number, since it uses less digits than its factorization.

61562055215200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908385 (or 908372 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 61562055215200 in words is "sixty-one trillion, five hundred sixty-two billion, fifty-five million, two hundred fifteen thousand, two hundred".