61001155874486 has 16 divisors (see below), whose sum is σ = 91898934981984. Its totient is φ = 30368190339264.

The previous prime is 61001155874431. The next prime is 61001155874489. The reversal of 61001155874486 is 68447855110016.

It is a super-2 number, since 2×61001155874486² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61001155874489) 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, 6380735 + ... + 12756021.

It is an arithmetic number, because the mean of its divisors is an integer number (5743683436374).

Almost surely, 2^{61001155874486} is an apocalyptic number.

61001155874486 is a deficient number, since it is larger than the sum of its proper divisors (30897779107498).

61001155874486 is a wasteful number, since it uses less digits than its factorization.

61001155874486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396055.

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 61001155874486 in words is "sixty-one trillion, one billion, one hundred fifty-five million, eight hundred seventy-four thousand, four hundred eighty-six".