61498540701 has 24 divisors (see below), whose sum is σ = 95693095680. Its totient is φ = 37833902496.

The previous prime is 61498540693. The next prime is 61498540709. The reversal of 61498540701 is 10704589416.

61498540701 is a `hidden beast` number, since 6 + 14 + 98 + 540 + 7 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (61498540693) and next prime (61498540709).

It is not a de Polignac number, because 61498540701 - 2³ = 61498540693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61498540709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321480 + ... + 475758.

It is an arithmetic number, because the mean of its divisors is an integer number (3987212320).

Almost surely, 2^61498540701 is an apocalyptic number.

It is an amenable number.

61498540701 is a deficient number, since it is larger than the sum of its proper divisors (34194554979).

61498540701 is a wasteful number, since it uses less digits than its factorization.

61498540701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157705 (or 157702 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 61498540701 in words is "sixty-one billion, four hundred ninety-eight million, five hundred forty thousand, seven hundred one".