61201515126 has 8 divisors (see below), whose sum is σ = 122403030264. Its totient is φ = 20400505040.

The previous prime is 61201515071. The next prime is 61201515127. The reversal of 61201515126 is 62151510216.

It is a sphenic number, since it is the product of 3 distinct primes.

61201515126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 61201515093 and 61201515102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61201515127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5100126255 + ... + 5100126266.

It is an arithmetic number, because the mean of its divisors is an integer number (15300378783).

Almost surely, 2^61201515126 is an apocalyptic number.

61201515126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61201515126 is a wasteful number, since it uses less digits than its factorization.

61201515126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200252526.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 61201515126 in words is "sixty-one billion, two hundred one million, five hundred fifteen thousand, one hundred twenty-six".