2251402414155 has 72 divisors (see below), whose sum is σ = 4090146697728. Its totient is φ = 1145538079488.

The previous prime is 2251402414141. The next prime is 2251402414211. The reversal of 2251402414155 is 5514142041522.

2251402414155 is a `hidden beast` number, since 2 + 2 + 51 + 40 + 2 + 414 + 155 = 666.

It is not a de Polignac number, because 2251402414155 - 2⁹ = 2251402413643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8993847 + ... + 9240783.

It is an arithmetic number, because the mean of its divisors is an integer number (56807593024).

Almost surely, 2^{2251402414155} is an apocalyptic number.

2251402414155 is a deficient number, since it is larger than the sum of its proper divisors (1838744283573).

2251402414155 is a wasteful number, since it uses less digits than its factorization.

2251402414155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247377 (or 247351 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

Adding to 2251402414155 its reverse (5514142041522), we get a palindrome (7765544455677).

The spelling of 2251402414155 in words is "two trillion, two hundred fifty-one billion, four hundred two million, four hundred fourteen thousand, one hundred fifty-five".