61254032152 has 8 divisors (see below), whose sum is σ = 114851310300. Its totient is φ = 30627016072.

The previous prime is 61254032141. The next prime is 61254032173. The reversal of 61254032152 is 25123045216.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×61254032152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3828377002 + ... + 3828377017.

Almost surely, 2^61254032152 is an apocalyptic number.

It is an amenable number.

61254032152 is a deficient number, since it is larger than the sum of its proper divisors (53597278148).

61254032152 is a wasteful number, since it uses less digits than its factorization.

61254032152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656754025 (or 7656754021 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 61254032152 its reverse (25123045216), we get a palindrome (86377077368).

The spelling of 61254032152 in words is "sixty-one billion, two hundred fifty-four million, thirty-two thousand, one hundred fifty-two".