901871610851 has 4 divisors (see below), whose sum is σ = 904383788400. Its totient is φ = 899359433304.

The previous prime is 901871610823. The next prime is 901871610863. The reversal of 901871610851 is 158016178109.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 901871610851 - 2¹⁴ = 901871594467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 901871610796 and 901871610805.

It is not an unprimeable number, because it can be changed into a prime (901871640851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256088236 + ... + 1256088953.

It is an arithmetic number, because the mean of its divisors is an integer number (226095947100).

Almost surely, 2^901871610851 is an apocalyptic number.

901871610851 is a deficient number, since it is larger than the sum of its proper divisors (2512177549).

901871610851 is a wasteful number, since it uses less digits than its factorization.

901871610851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512177548.

The product of its (nonzero) digits is 120960, while the sum is 47.

The spelling of 901871610851 in words is "nine hundred one billion, eight hundred seventy-one million, six hundred ten thousand, eight hundred fifty-one".