61156572111253 has 8 divisors (see below), whose sum is σ = 64764579378240. Its totient is φ = 57549738383040.

The previous prime is 61156572111241. The next prime is 61156572111269. The reversal of 61156572111253 is 35211127565116.

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

It is a cyclic number.

It is not a de Polignac number, because 61156572111253 - 2³³ = 61147982176661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61156572112253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293277393 + ... + 293485846.

It is an arithmetic number, because the mean of its divisors is an integer number (8095572422280).

Almost surely, 2^{61156572111253} is an apocalyptic number.

It is an amenable number.

61156572111253 is a deficient number, since it is larger than the sum of its proper divisors (3608007266987).

61156572111253 is a wasteful number, since it uses less digits than its factorization.

61156572111253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586769387.

The product of its digits is 378000, while the sum is 46.

Adding to 61156572111253 its reverse (35211127565116), we get a palindrome (96367699676369).

The spelling of 61156572111253 in words is "sixty-one trillion, one hundred fifty-six billion, five hundred seventy-two million, one hundred eleven thousand, two hundred fifty-three".