61453355254352 has 80 divisors (see below), whose sum is σ = 126382014908352. Its totient is φ = 28847671756800.

The previous prime is 61453355254349. The next prime is 61453355254457. The reversal of 61453355254352 is 25345255335416.

It is a super-2 number, since 2×61453355254352² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61453355254294 and 61453355254303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207574943 + ... + 207870785.

Almost surely, 2^{61453355254352} is an apocalyptic number.

It is an amenable number.

61453355254352 is an abundant number, since it is smaller than the sum of its proper divisors (64928659654000).

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

61453355254352 is a wasteful number, since it uses less digits than its factorization.

61453355254352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297756 (or 297750 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 53.

The spelling of 61453355254352 in words is "sixty-one trillion, four hundred fifty-three billion, three hundred fifty-five million, two hundred fifty-four thousand, three hundred fifty-two".