36403412561 has 8 divisors (see below), whose sum is σ = 37965118464. Its totient is φ = 34865919360.

The previous prime is 36403412557. The next prime is 36403412567. The reversal of 36403412561 is 16521430463.

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 36403412561 - 2² = 36403412557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36403412567) 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, 6050105 + ... + 6056118.

It is an arithmetic number, because the mean of its divisors is an integer number (4745639808).

Almost surely, 2^36403412561 is an apocalyptic number.

36403412561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36403412561 is a deficient number, since it is larger than the sum of its proper divisors (1561705903).

36403412561 is a wasteful number, since it uses less digits than its factorization.

36403412561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12106351.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 36403412561 in words is "thirty-six billion, four hundred three million, four hundred twelve thousand, five hundred sixty-one".