61162020411215 has 8 divisors (see below), whose sum is σ = 74597611780608. Its totient is φ = 48127491470880.

The previous prime is 61162020411211. The next prime is 61162020411241. The reversal of 61162020411215 is 51211402026116.

It is a happy number.

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

It is not a de Polignac number, because 61162020411215 - 2² = 61162020411211 is a prime.

It is a super-3 number, since 3×61162020411215³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61162020411211) 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, 100265606927 + ... + 100265607536.

It is an arithmetic number, because the mean of its divisors is an integer number (9324701472576).

Almost surely, 2^{61162020411215} is an apocalyptic number.

61162020411215 is a deficient number, since it is larger than the sum of its proper divisors (13435591369393).

61162020411215 is a wasteful number, since it uses less digits than its factorization.

61162020411215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200531214529.

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 61162020411215 in words is "sixty-one trillion, one hundred sixty-two billion, twenty million, four hundred eleven thousand, two hundred fifteen".